(Step-by-Step) \% of children aged 12 to 17 keep part of their savings in a saving account. 45 children were studied. find Pr (X≤ 20)
Question: \(65 \%\) of children aged 12 to 17 keep part of their savings in a saving account. 45 children were studied. find \(\Pr \left( X\le 20 \right)\) .
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Degrees of Freedom Calculator One Sample - MathCracker.com